| 1595 | } |
| 1596 | |
| 1597 | static int |
| 1598 | _iflib_irq_alloc(if_ctx_t ctx, if_irq_t irq, int rid, |
| 1599 | driver_filter_t filter, driver_intr_t handler, void *arg, |
| 1600 | const char *name) |
| 1601 | { |
| 1602 | struct resource *res; |
| 1603 | void *tag = NULL; |
| 1604 | device_t dev = ctx->ifc_dev; |
| 1605 | int flags, i, rc; |
| 1606 | |
| 1607 | flags = RF_ACTIVE; |
| 1608 | if (ctx->ifc_flags & IFC_LEGACY) |
| 1609 | flags |= RF_SHAREABLE; |
| 1610 | MPASS(rid < 512); |
| 1611 | i = rid; |
| 1612 | res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, flags); |
| 1613 | if (res == NULL) { |
| 1614 | device_printf(dev, |
| 1615 | "failed to allocate IRQ for rid %d, name %s.\n", rid, name); |
| 1616 | return (ENOMEM); |
| 1617 | } |
| 1618 | irq->ii_res = res; |
| 1619 | KASSERT(filter == NULL || handler == NULL, ("filter and handler can't both be non-NULL")); |
| 1620 | rc = bus_setup_intr(dev, res, INTR_MPSAFE | INTR_TYPE_NET, |
| 1621 | filter, handler, arg, &tag); |
| 1622 | if (rc != 0) { |
| 1623 | device_printf(dev, |
| 1624 | "failed to setup interrupt for rid %d, name %s: %d\n", |
| 1625 | rid, name ? name : "unknown", rc); |
| 1626 | return (rc); |
| 1627 | } else if (name) |
| 1628 | bus_describe_intr(dev, res, tag, "%s", name); |
| 1629 | |
| 1630 | irq->ii_tag = tag; |
| 1631 | return (0); |
| 1632 | } |
| 1633 | |
| 1634 | /********************************************************************* |
| 1635 | * |
no test coverage detected